From 37d0e1d89af33aa955a71e09b68dd4ef5b6f40d3 Mon Sep 17 00:00:00 2001
From: guanxiying <guanxiying@cnezsoft.com>
Date: Tue, 26 Nov 2019 08:47:12 +0800
Subject: [PATCH] * Add distinct to bug type query sql.

---
 module/upgrade/model.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index dbf7def6a3..01aef1ed4d 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -3473,7 +3473,7 @@ class upgradeModel extends model
 
         foreach($this->config->upgrade->discardedBugTypes as $langCode => $types)
         {
-            $bugs = $this->dao->select('type')->from(TABLE_BUG)->where('type')->in(array_keys($types))->fetchAll('type');
+            $bugs = $this->dao->select('distinct type')->from(TABLE_BUG)->where('type')->in(array_keys($types))->fetchAll('type');
             if(empty($bugs)) return true;
 
             $usedTypes        = array_keys($bugs);